can we upgrade mac book air from 2014
need to upgrade macbook air early 2014 software OS X10.9.5
need to upgrade macbook air early 2014 software OS X10.9.5
A 2014 MacBook Air can be upgraded to the latest version of Big Sur macOS 11 or earlier but no later. See: How to download and install macOS - Apple Support
Be aware that if you upgrade to Catalina 10.15 or later you will also need to update any non-Apple 32-bit apps. See: https://www.stclairsoft.com/Go64/
or
https://www.macworld.com/article/232735/how-to-check-if-mac-software-is-32-or-64-bit.html
Also see the following from Identify your MacBook Air model - Apple Support
MacBook Air (13-inch, Early 2014)
Model Identifier: MacBookAir6,2
Part Numbers: MD760xx/B, MD761xx/B
Newest compatible operating system: macOS Big Sur
MacBook Air (11-inch, Early 2014)
Model Identifier: MacBookAir6,1
Part Numbers: MD711xx/B, MD712xx/B
Newest compatible operating system: macOS Big Sur
A 2014 MacBook Air can be upgraded to the latest version of Big Sur macOS 11 or earlier but no later. See: How to download and install macOS - Apple Support
Be aware that if you upgrade to Catalina 10.15 or later you will also need to update any non-Apple 32-bit apps. See: https://www.stclairsoft.com/Go64/
or
https://www.macworld.com/article/232735/how-to-check-if-mac-software-is-32-or-64-bit.html
Also see the following from Identify your MacBook Air model - Apple Support
MacBook Air (13-inch, Early 2014)
Model Identifier: MacBookAir6,2
Part Numbers: MD760xx/B, MD761xx/B
Newest compatible operating system: macOS Big Sur
MacBook Air (11-inch, Early 2014)
Model Identifier: MacBookAir6,1
Part Numbers: MD711xx/B, MD712xx/B
Newest compatible operating system: macOS Big Sur
can we upgrade mac book air from 2014